There have now been 90 confirmed cases of Legionnaires' disease in central Harlem, and 15 people are currently hospitalized battling the disease, the city's health department announced.

A Legionnaires' disease outbreak in New York's Central Harlem neighborhood has now sickened 90 people and caused three deaths, health officials said Tuesday.

New York City health officials are continuing to investigate a cluster of Legionnaires’ disease, a serious bacterial lung infection, where the number of cases has risen to 73, including three deaths.